.app-msg {
  position: fixed;
  left: 50%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transform: translate3d(-50%, -50%, 0);
  .content {
    margin: 20rpx 0;
    font-size: 28rpx;
    color: #cccccc;
  }
  .button {
    width: 220rpx;
    font-size: 24rpx;
    color: #fff;
    background-color: #2172ed;
  }
}